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Trusted and professional extension builder in West Midlands. Experienced in all extension buildering work and keeping within budget and on quote. A...
Oakham Brickwork is an established extension buildering business in West Midlands. We come highly recommended and provide competitive quotes for yo...
Trusted and professional extension builder in West Midlands. Experienced in all extension buildering work and keeping within budget and on quote. A...
Trusted and professional extension builder in West Midlands. Experienced in all extension buildering work and keeping within budget and on quote. A...
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in West Midlands. No obligation fre...
Have Faith Plasterers is an established and experienced local extension builder in West Midlands. Please contact us for a free, no obligation quote...
Need an Extension Builder in West Midlands? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering j...
Relax... you have found a reliable extension builder in West Midlands. MD Services is a friendly and reliable company based in West Midlands who co...
Dave Mattock is an established and experienced local extension builder in West Midlands. Please contact us for a free, no obligation quote and comp...
Need to find an Extension Builder near you for all your extension buildering work?
D Broomhall provides a local, trusted extension builderi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in West Midlands it ranges from £1,768 (ARGENT BUILDERS LTD based in B64) to £2,248 (A&D Builders based in B64).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in West Midlands by posting a job with HaMuch and we will send it to extension builders in West Midlands.
"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24
"RSJ installation" - BIRMINGHAM, job posted 01/03/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Birmingham | £29 | £229 |
| Install An RSJ near Smethwick | £29 | £230 |
| Install An RSJ near Oldbury | £29 | £229 |
| Install An RSJ near West Bromwich | £29 | £228 |
| Install An RSJ near Halesowen | £28 | £225 |
| Install An RSJ near Rowley Regis | £29 | £228 |
| Install An RSJ near Sandwell | £29 | £231 |
| Install An RSJ near Sutton Coldfield | £29 | £228 |
| Install An RSJ near Solihull | £29 | £231 |
| Install An RSJ near Tipton | £29 | £228 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,296

Two storey extension - £87,694

Build a timber frame extension - £25,796

Build a swimming pool - £80,796

Single storey extension - £50,920

Side return extension - £39,205

Install an RSJ - £1,996

Outbuilding - £9,796

Build a Mansard loft conversion - £51,796

Loft conversion - £31,838

Build a kitchen extension - £41,796

Hip to gable loft conversion - £41,796

Granny annexe - £86,796

Garden office - £9,796

Convert a Garage - £15,796

Garage - £18,296

Build a flat roof extension - £21,796

Build a dormer loft conversion - £41,796

Concrete foundations - £6,046

Convert a bungalow loft - £28,796

Convert a basement - £35,205